SAE/AISI 1084 Carbon Steel (UNS G10840)
SAE/AISI 1084 steel is primarily used in applications that require high strength, hardness, and wear resistance. It is commonly used in the production of knives, blades, cutting tools, and other hand tools where sharpness and durability are important.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.08% | 98.60% |
| Carbon | 0.80% | 0.93% |
| Manganese | 0.60% | 0.90% |
| Phosphorous | 0.04% | |
| Sulfur | 0.05% | |
The following table provides a list of SAE/AISI 1084 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7850 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 780 - 930 MPa |
| Tensile Strength (Yield) | 450 - 600 MPa |
| Young’s Modulus (E) | 200 GPa |
| Shear Modulus (G) | 78 GPa |
| Elongation at Break | 10% |
| Reduction of Area | 28 - 45% |
| Poisson’s Ratio (ν) | 0.29 |
| Brinell Hardness | 220 - 270 |
| Thermal Properties | Metric |
| Thermal Conductivity | 52 W/m·K |
| Specific Heat Capacity (Cp) | 470 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 1.2×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 4.12×106 S/m |
| Electrical Resistivity | 2.43×10-7 Ω·m |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of 1084 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| High Strength | Susceptible to Corrosion |
| Good Wear Resistance | Limited Toughness |
| Ease of Sharpening | Brittle Nature |
| Cost-Effectiveness |
Applications of 1084 Carbon Steel
1084 Carbon Steel finds applications in various industries where high strength, hardness, and wear resistance are required. Here are some common applications:
- Knives and Blades: 1084 carbon steel is widely used in the manufacturing of knives, blades, and cutting tools. Its high carbon content provides excellent edge retention and hardness, making it suitable for tasks that require sharpness and durability.
- Hand Tools: It is utilized in the production of hand tools such as chisels, punches, hammers, and screwdrivers. The high strength and wear resistance of 1084 carbon steel make it well-suited for withstanding the demanding conditions of manual work.
- Springs and Fasteners: Due to its high carbon content, 1084 carbon steel can be heat-treated to achieve good spring properties. It is used for producing flat springs, coil springs, and other spring components. It is also employed in manufacturing fasteners like bolts and screws.
- Industrial Machinery Parts: 1084 carbon steel is employed in various industrial machinery parts, such as gears, shafts, axles, and couplings. Its strength and wear resistance make it suitable for applications that involve heavy loads, friction, and stress.
- Automotive Components: The high strength and durability of 1084 carbon steel make it useful for automotive components. It is utilized in the production of crankshafts, camshafts, valve springs, and other parts that require resistance to wear and fatigue.
- Construction Tools: Tools used in construction and woodworking, such as axes, hatchets, and saws, can be made from 1084 carbon steel. The steel’s hardness and toughness make it suitable for withstanding the rigors of demanding construction tasks.
- Agricultural Implements: 1084 carbon steel is utilized in the manufacturing of agricultural implements like sickles, scythes, and machetes. These tools benefit from the steel’s sharpness, strength, and durability in cutting through vegetation.